Dailymet

Weather Longmont: Current forecast

Longmont / Colorado (CO) / United States

3.2 °C
Feels like 0.4 °C
Min 2 °C / Max 15 °C
Weather Longmont: Overcast, 3 °C Overcast
10.4 km/h N
Wind
13.8 km/h N
Gusts
1015 hPa
Pressure
0 mm
Precipitation
89 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
06:04 / 19:53
Sunrise / Sunset
17:15 / 04:26
Moonrise / Moonset
Waxing Moon (87 %)
Moon phase

Updated: Apr 28, 2026, 13:17 CEST Apr 28, 2026, 5:17 MDT

Today's Summary

If you head out in Longmont today, you'll see a overcast sky. The thermometer currently shows 3.2°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 2.2°C and 14.9°C.

Hourly forecast – Longmont, today

Apr 28, 05:00
3 °C
Overcast
Longmont Apr 28, 05:00: Overcast, 3 °C
Apr 28, 06:00
4 °C
Partly cloudy
Longmont Apr 28, 06:00: Partly cloudy, 4 °C
Apr 28, 07:00
5 °C
Patchy rain possible
Longmont Apr 28, 07:00: Patchy rain possible, 5 °C
Apr 28, 08:00
6 °C
Patchy rain possible
Longmont Apr 28, 08:00: Patchy rain possible, 6 °C
Apr 28, 09:00
7 °C
Patchy rain possible
Longmont Apr 28, 09:00: Patchy rain possible, 7 °C
Apr 28, 10:00
9 °C
Patchy rain possible
Longmont Apr 28, 10:00: Patchy rain possible, 9 °C
Apr 28, 11:00
10 °C
Light rain shower
Longmont Apr 28, 11:00: Light rain shower, 10 °C
Apr 28, 12:00
11 °C
Patchy light rain with thunder
Longmont Apr 28, 12:00: Patchy light rain with thunder, 11 °C
Apr 28, 13:00
13 °C
Thundery outbreaks possible
Longmont Apr 28, 13:00: Thundery outbreaks possible, 13 °C
Apr 28, 14:00
13 °C
Thundery outbreaks possible
Longmont Apr 28, 14:00: Thundery outbreaks possible, 13 °C
Apr 28, 15:00
14 °C
Thundery outbreaks possible
Longmont Apr 28, 15:00: Thundery outbreaks possible, 14 °C
Apr 28, 16:00
15 °C
Patchy rain possible
Longmont Apr 28, 16:00: Patchy rain possible, 15 °C
Apr 28, 17:00
15 °C
Partly cloudy
Longmont Apr 28, 17:00: Partly cloudy, 15 °C
Apr 28, 18:00
14 °C
Patchy rain possible
Longmont Apr 28, 18:00: Patchy rain possible, 14 °C
Apr 28, 19:00
11 °C
Sunny
Longmont Apr 28, 19:00: Sunny, 11 °C
Apr 28, 20:00
9 °C
Patchy rain possible
Longmont Apr 28, 20:00: Patchy rain possible, 9 °C
Apr 28, 21:00
7 °C
Clear
Longmont Apr 28, 21:00: Clear, 7 °C
Apr 28, 22:00
6 °C
Clear
Longmont Apr 28, 22:00: Clear, 6 °C
Apr 28, 23:00
5 °C
Clear
Longmont Apr 28, 23:00: Clear, 5 °C
Apr 29, 00:00
4 °C
Patchy rain possible
Longmont Apr 29, 00:00: Patchy rain possible, 4 °C
Apr 29, 01:00
4 °C
Clear
Longmont Apr 29, 01:00: Clear, 4 °C
Apr 29, 02:00
3 °C
Clear
Longmont Apr 29, 02:00: Clear, 3 °C
Apr 29, 03:00
2 °C
Clear
Longmont Apr 29, 03:00: Clear, 2 °C
Apr 29, 04:00
2 °C
Clear
Longmont Apr 29, 04:00: Clear, 2 °C
Time
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
Longmont Apr 28, 05:00: Overcast
Longmont Apr 28, 06:00: Partly cloudy
Longmont Apr 28, 07:00: Patchy rain possible
Longmont Apr 28, 08:00: Patchy rain possible
Longmont Apr 28, 09:00: Patchy rain possible
Longmont Apr 28, 10:00: Patchy rain possible
Longmont Apr 28, 11:00: Light rain shower
Longmont Apr 28, 12:00: Patchy light rain with thunder
Longmont Apr 28, 13:00: Thundery outbreaks possible
Longmont Apr 28, 14:00: Thundery outbreaks possible
Longmont Apr 28, 15:00: Thundery outbreaks possible
Longmont Apr 28, 16:00: Patchy rain possible
Longmont Apr 28, 17:00: Partly cloudy
Longmont Apr 28, 18:00: Patchy rain possible
Longmont Apr 28, 19:00: Sunny
Longmont Apr 28, 20:00: Patchy rain possible
Longmont Apr 28, 21:00: Clear
Longmont Apr 28, 22:00: Clear
Longmont Apr 28, 23:00: Clear
Longmont Apr 29, 00:00: Patchy rain possible
Longmont Apr 29, 01:00: Clear
Longmont Apr 29, 02:00: Clear
Longmont Apr 29, 03:00: Clear
Longmont Apr 29, 04:00: Clear
Temperature (°C)
Chance of rain (%)
0
0
100
100
78
100
100
100
100
100
61
83
0
60
0
100
0
0
0
100
0
0
0
0
Precipitation
—
—
0.1 mm
0.1 mm
0 mm
0.1 mm
0.3 mm
0.4 mm
0.1 mm
0.1 mm
0 mm
0 mm
—
0.1 mm
—
0.2 mm
—
—
—
0.1 mm
—
—
—
—
Wind (km/h)
N
10
N
11
NNE
7
NNE
8
NNE
11
NE
12
NE
13
ENE
10
NE
14
ENE
15
ESE
9
SSE
8
ESE
5
ENE
3
N
6
NW
1
SSE
5
SSW
6
WSW
7
W
3
NW
2
NNW
6
NNW
9
NNW
9
Pressure (hPa)
1015
1014
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011
1012
1013
1015
1016
1017
1017
1018
1018
1018
1018
1019
Humidity (%)
89 %
89 %
85 %
81 %
72 %
65 %
55 %
50 %
44 %
39 %
35 %
32 %
30 %
30 %
35 %
50 %
54 %
56 %
56 %
60 %
62 %
64 %
64 %
67 %
Cloud cover (%)
100 %
56 %
73 %
83 %
87 %
74 %
99 %
71 %
80 %
71 %
50 %
88 %
51 %
71 %
19 %
82 %
5 %
5 %
5 %
84 %
5 %
5 %
5 %
4 %

14-day weather forecast – Longmont

14-day trend for Longmont: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 0.3°C at night, with daytime highs up to 22.4°C.

Date
Apr 28
Apr 29
Apr 30
May 1
May 2
May 3
May 4
May 5
May 6
May 7
May 8
May 9
May 10
May 11
Longmont April 28, 2026: Patchy rain possible
Longmont April 29, 2026: Patchy rain possible
Longmont April 30, 2026: Moderate rain
Longmont May 1, 2026: Patchy rain possible
Longmont May 2, 2026: Sunny
Longmont May 3, 2026: Partly cloudy
Longmont May 4, 2026: Patchy rain possible
Longmont May 5, 2026: Patchy rain possible
Longmont May 6, 2026: Patchy rain possible
Longmont May 7, 2026: Patchy rain possible
Longmont May 8, 2026: Patchy rain possible
Longmont May 9, 2026: Patchy rain possible
Longmont May 10, 2026: Patchy rain possible
Longmont May 11, 2026: Moderate rain
Temperature (°C)
Chance of rain (%)
94
81
89
87
0
0
84
87
74
86
81
72
84
84
Precipitation
1.5 mm
0.3 mm
13.2 mm
4.2 mm
0.1 mm
0.1 mm
2.8 mm
0.5 mm
0.4 mm
2.6 mm
4.1 mm
0.2 mm
3.2 mm
5.6 mm
Wind max (km/h)
15
14
17
18
11
17
17
16
16
13
14
20
21
25
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
April 28, 2026 Longmont April 28, 2026: Patchy rain possible Patchy rain possible 2 °C 15 °C 06:04 19:53 17:15 04:26 Waxing Moon (87 %)
April 29, 2026 Longmont April 29, 2026: Patchy rain possible Patchy rain possible 0 °C 18 °C 06:02 19:54 18:17 04:47 Waxing Moon (93 %)
April 30, 2026 Longmont April 30, 2026: Moderate rain Moderate rain 2 °C 10 °C 06:01 19:55 19:21 05:10 Waxing Moon (97 %)
May 1, 2026 Longmont May 1, 2026: Patchy rain possible Patchy rain possible 5 °C 11 °C 06:00 19:56 20:25 05:35 Full Moon (99 %)
May 2, 2026 Longmont May 2, 2026: Sunny Sunny 1 °C 19 °C 05:59 19:57 21:28 06:03 Waning Moon (100 %)
May 3, 2026 Longmont May 3, 2026: Partly cloudy Partly cloudy 6 °C 22 °C 05:58 19:58 22:29 06:37 Waning Moon (98 %)
May 4, 2026 Longmont May 4, 2026: Patchy rain possible Patchy rain possible 9 °C 18 °C 05:56 19:59 23:26 07:19 Waning Moon (95 %)
May 5, 2026 Longmont May 5, 2026: Patchy rain possible Patchy rain possible 7 °C 17 °C 05:55 20:00 — 08:07 Waning Moon (90 %)
May 6, 2026 Longmont May 6, 2026: Patchy rain possible Patchy rain possible 5 °C 20 °C 05:54 20:01 00:15 09:03 Waning Moon (84 %)
May 7, 2026 Longmont May 7, 2026: Patchy rain possible Patchy rain possible 7 °C 14 °C 05:53 20:02 00:57 10:03 Waning Moon (77 %)
May 8, 2026 Longmont May 8, 2026: Patchy rain possible Patchy rain possible 4 °C 15 °C 05:52 20:03 01:33 11:07 Waning Moon (68 %)
May 9, 2026 Longmont May 9, 2026: Patchy rain possible Patchy rain possible 5 °C 21 °C 05:51 20:04 02:02 12:12 Last Quarter (59 %)
May 10, 2026 Longmont May 10, 2026: Patchy rain possible Patchy rain possible 5 °C 21 °C 05:50 20:05 02:28 13:18 Waning Crescent (49 %)
May 11, 2026 Longmont May 11, 2026: Moderate rain Moderate rain 7 °C 17 °C 05:49 20:06 02:52 14:24 Waning Crescent (39 %)
Do Not Sell or Share My Personal Information